RicoRich Double Walled Vacuum Insulated Stainless Steel Sport Water Bottle,Outdoors Travel Thermoses Bottles,BPA Free (26oz/750ml) Food grade material - 18/8 Stainless Steel inside and outside,BPA free,chemicals free.No more worrying about harmful chemicals such as BPA affecting your health, which are present in many water bottles. Keeping drinks cold for up to 24 hours and hot for up to 12 hours.With the double walled,no matter what temperature the beverage inside your bottles,the outside will always be comfortable and easy to hold Water bottle for Winter - RicoRich premium water bottle is specially designed with you, Fitting for Travaling, Running, Gym, Cycling, Yoga,Crossfit, Tennis, or Office Use in winter Leak proof seal and lightweight - No matter how hard you shake,it never leak,26oz large capacity but liaghtweight to carry We are confident in our water bottle, but if you have any question about it, please contact us without hesitation and we will answer you right away